Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 22402939 | HCID 22402939 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 22402961 | HCID 22402961 | 85.5% |
Reaction Steps
A mixture of dimethyl 1-ethyl-2-methyl-4,5-benzimidazoledicarboxylate (5.30 g, 19.2 mmol), methanol and 5N sodium hydroxide (30 mL, I50 mmol) is stirred for 4 hours at 100° C., cooled, acidified with hydrochloric acid and filtered to give the title product as a lemon yellow powder (4.07 g, 85.5%), identified by 1HNMR spectral analysis.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US05108485 |
|---|
| Source dataset | uspto-grants-1992_04 |
|---|
| ORD ID | ord-4abcf3f08f2044cab8dd4c0553e45a48 |
|---|
| Source note | uspto-grants-1992_04 |
|---|
